Color-developing sheet for pressure-sensitive recording sheets

Details Color-developing sheet for pressure-sensitive recording sheets Color-developing sheet for pressure-sensitive recording sheets

1982-12-22

1984-10-30

Hess, Bruce H.

Recorders

Record receiver deforming

346212, 346216, 346217, 346221, 346225, B41M 522

Patent

active

044802609

ABSTRACT:
A color-developing sheet for pressure-sensitive recording sheets having a color-developing layer on the base sheet wherein the color-developing layer includes 3 to 20 parts by weight of zinc carbonate, 1 to 30 parts by weight of thiourea compound and 0.1 to 5 parts by weight of bisphenol per 100 parts by weight of activated clay.

REFERENCES:
patent: 4408781 (1983-10-01), Watanabe
patent: 4421344 (1983-12-01), Ikezawa et al.

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